There's currently both a and a tag. As far as I can see, is the generic tag for the Falcon 9 rocket, and is specifically for the reusable version (and was originally meant for Falcons with a reusable first and second stage, which never happened). But apart from the first five Falcon 9 v1.0 rockets, all Falcon 9's have been reusable.

has 414 questions, and has 59. Of those 59, 36 are also tagged with . Therefore, I propose to merge into .

  • 2
    $\begingroup$ I support this idea. $\endgroup$
    – geoffc
    May 31, 2019 at 19:47

1 Answer 1


I've made the change, the tags are one.

  • $\begingroup$ And yet the two tags still seem separate. Maybe we can keep them separate and instead just get the falcon9-r tag on the questions where it really belongs? Or perhaps there never was such a thing? To get to the bottom of the appropriateness and utilityof having two tags I've just asked How to determine on which questions the falcon9-r and falcon-9 tags do and don't belong? $\endgroup$
    – uhoh
    Aug 7, 2021 at 0:45
  • 1
    $\begingroup$ @uhoh It looks like at the time Pearson accidentally merged falcon-9r instead of falcon9-r into falcon-9. $\endgroup$
    – called2voyage Mod
    Aug 11, 2021 at 19:14
  • $\begingroup$ @called2voyage oh I'm not surprised, I can't even tell/see the difference, thanks! (then again, my brain probably looks like this) $\endgroup$
    – uhoh
    Aug 11, 2021 at 22:57

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